// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

////////////////////////////////////////////////////////////////////////////////
// 

namespace System.Reflection 
{
    using System;
    [Serializable]
    [Flags]
    [System.Runtime.InteropServices.ComVisible(true)]
    public enum MethodAttributes
    {
        // NOTE: This Enum matchs the CorMethodAttr defined in CorHdr.h

        // member access mask - Use this mask to retrieve accessibility information.
        MemberAccessMask    =   0x0007,
        PrivateScope        =   0x0000,     // Member not referenceable.
        Private             =   0x0001,     // Accessible only by the parent type.  
        FamANDAssem         =   0x0002,     // Accessible by sub-types only in this Assembly.
        Assembly            =   0x0003,     // Accessibly by anyone in the Assembly.
        Family              =   0x0004,     // Accessible only by type and sub-types.    
        FamORAssem          =   0x0005,     // Accessibly by sub-types anywhere, plus anyone in assembly.
        Public              =   0x0006,     // Accessibly by anyone who has visibility to this scope.    
        // end member access mask
    
        // method contract attributes.
        Static              =   0x0010,     // Defined on type, else per instance.
        Final               =   0x0020,     // Method may not be overridden.
        Virtual             =   0x0040,     // Method virtual.
        HideBySig           =   0x0080,     // Method hides by name+sig, else just by name.
        CheckAccessOnOverride=  0x0200,
        
        // vtable layout mask - Use this mask to retrieve vtable attributes.
        VtableLayoutMask    =   0x0100,
        ReuseSlot           =   0x0000,     // The default.
        NewSlot             =   0x0100,     // Method always gets a new slot in the vtable.
        // end vtable layout mask
    
        // method implementation attributes.
        Abstract            =   0x0400,     // Method does not provide an implementation.
        SpecialName         =   0x0800,     // Method is special.  Name describes how.
        
        // interop attributes
        PinvokeImpl         =   0x2000,     // Implementation is forwarded through pinvoke.
        UnmanagedExport     =   0x0008,     // Managed method exported via thunk to unmanaged code.
        RTSpecialName       =   0x1000,     // Runtime should check name encoding.

        // Reserved flags for runtime use only.
        ReservedMask              =   0xd000,
        HasSecurity               =   0x4000,     // Method has security associate with it.
        RequireSecObject          =   0x8000,     // Method calls another method containing security code.
    }
}
